Bragg-wave scattering and the narrow-vee wake

Balser, Martin; Harkless, C. R.; McLaren, W.; Schurmann, S.

doi:10.1109/36.662740

Cited by 4 publications

(4 citation statements)

References 6 publications

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“…However, for a specific vessel navigation environment, the distribution of the wake intensity with the relative position of the vehicle s determined. The bubble size distribution in the wake is similar to that in the ocean, but the bubble density is much higher than that in the ocean [16] . The bubbles in the wake of the vessel are exponentially decaying along the wake length.…”

Section: Vehiclesmentioning

confidence: 74%

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An optimal nonlinear guidance logic for the trajectory tracking of supercavitating vehicles

Gao

Yang

2017

2017 IEEE International Conference on Mechatronics and Automation (ICMA)

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-Supercavitating vehicles (SV) are a class of highspeed autonomous underwater vessels. They present a great challenge in designing the guidance law in comparison with the traditional autonomous underwater vehicles. This is due to the fact that their constraints and working environment are much more complex. To tackle the above challenge, an optimal nonlinear midcourse guidance logic is proposed by considering the wake terminal guidance and the remote target attack tasks. The proposed guidance logic is optimized by using an efficient genetic algorithm to obtain its optimal parameters. The results from our simulation case study suggest that the proposed guidance logic can meet both the motion requirements and navigation constraints while effectively cooperating with the wake terminal guidance. Moreover, it has potential in reducing the energy consumption to significantly improve the overall vehicle energy efficiency.

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Section: Vehiclesmentioning

confidence: 74%

“…The intensity of the wakes generated by the vessel is related to the vessel's speed, tonnage, draft and sea conditions. The intensity of the wakes varies in different regions [16] . However, for a specific vessel navigation environment, the distribution of the wake intensity with the relative position of the vehicle s determined.…”

Section: Vehiclesmentioning

confidence: 99%

An optimal nonlinear guidance logic for the trajectory tracking of supercavitating vehicles

Gao

Yang

2017

2017 IEEE International Conference on Mechatronics and Automation (ICMA)

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“…The main model information concluded the wake's length and breadth, extending angle and speed in the horizontal plane of the vessel tail. 26 The geometry characteristic relationship in horizontal wake plane is shown in Figure 1. 27 The wake's length is defined as…”

Section: Modeling Of Wake Geometry Characteristicsmentioning

confidence: 99%

“…The bubble density in the same deepness follows the generalized Gaussian distribution (GGD). 26 The wake model based on the above measuring results is established to represent the distribution rule in wake bubbles. The mathematical expression in the arbitrary point of maneuvering target wake (x, y) is defined as…”

Section: Wake Simulation Modelmentioning

confidence: 99%

Bubble density gradient with laser detection: A wake-homing scheme for supercavitating vehicles

Bian

Yang

2018

Advances in Mechanical Engineering

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The poor mobility and complex target motion estimation are the two main challenges in the anti-ship attack missions of high-speed guided missiles. In this study, a new wake-homing scheme of supercavitating vehicles is proposed using the gradient wake flow phenomenon. The basic principle of the wake-homing with laser detection and the information which can be obtained are studied. According to the idiosyncrasy of laser detection, the geometrical characteristics of the vessel wake, and the bubble distribution characteristics, the three-dimensional model of bubble density gradient in horizontal plane of the maneuvering target ship wake flow is first built; the guidance law based on the gradient wake flow is designed and tested. Then, simulation results show the validity of the model wake, the guidance law based on the wake gradient information can accurately track the target. From the simulation results, we also can see that the new wakehoming scheme effectively improve the hit probability, reduce the range of loss, reduce power consumption and gentle guidance trajectory, greatly reduce the mobility requirements of the supercavitating vehicles.

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EM scattering calculation of large sea surface with SSA method at S, X, Ku, and K bands

Jiang

Min

Zhao

et al. 2016

Waves in Random and Complex Media

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Bragg-wave scattering and the narrow-vee wake

Cited by 4 publications

References 6 publications

An optimal nonlinear guidance logic for the trajectory tracking of supercavitating vehicles

An optimal nonlinear guidance logic for the trajectory tracking of supercavitating vehicles

Bubble density gradient with laser detection: A wake-homing scheme for supercavitating vehicles

EM scattering calculation of large sea surface with SSA method at S, X, Ku, and K bands

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